babel/packages/babel-core/test/option-manager.js
2017-06-27 12:15:00 -05:00

90 lines
2.5 KiB
JavaScript

import assert from "assert";
import manageOptions from "../lib/config/option-manager";
import path from "path";
describe("option-manager", () => {
it("throws for babel 5 plugin", () => {
return assert.throws(() => {
manageOptions({
plugins: [({ Plugin }) => new Plugin("object-assign", {})],
});
}, /Babel 5 plugin is being run with Babel 6/);
});
describe("mergeOptions", () => {
it("throws for removed babel 5 options", () => {
return assert.throws(() => {
manageOptions({
randomOption: true,
});
}, /Unknown option: base.randomOption/);
});
it("throws for removed babel 5 options", () => {
return assert.throws(
() => {
manageOptions({
auxiliaryComment: true,
blacklist: true,
});
},
// eslint-disable-next-line max-len
/Using removed Babel 5 option: base.auxiliaryComment - Use `auxiliaryCommentBefore` or `auxiliaryCommentAfter`/,
);
});
it("throws for resolved but erroring preset", () => {
return assert.throws(() => {
manageOptions({
presets: [
path.join(__dirname, "fixtures/option-manager/not-a-preset"),
],
});
}, /While processing: .*option-manager(?:\/|\\\\)not-a-preset\.js/);
});
});
describe("presets", function() {
function presetTest(name) {
it(name, function() {
const { options, passes } = manageOptions({
presets: [
path.join(__dirname, "fixtures/option-manager/presets", name),
],
});
assert.equal(true, Array.isArray(options.plugins));
assert.equal(1, options.plugins.length);
assert.equal(1, passes.length);
assert.equal(1, passes[0].length);
});
}
function presetThrowsTest(name, msg) {
it(name, function() {
assert.throws(
() =>
manageOptions({
presets: [
path.join(__dirname, "fixtures/option-manager/presets", name),
],
}),
msg,
);
});
}
presetTest("es5_function");
presetTest("es5_object");
presetTest("es2015_default_function");
presetTest("es2015_default_object");
presetThrowsTest(
"es2015_named",
/Must export a default export when using ES6 modules/,
);
presetThrowsTest("es2015_invalid", /Unsupported format: string/);
presetThrowsTest("es5_invalid", /Unsupported format: string/);
});
});